Description
A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published: 2026-08-31
Score: 6.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 31 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Description A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title sdcb chats Signed File Download Endpoint FileController.cs DownloadPublic missing authentication
First Time appeared Sdcb
Sdcb chats
Weaknesses CWE-287
CWE-306
CPEs cpe:2.3:a:sdcb:chats:*:*:*:*:*:*:*:*
Vendors & Products Sdcb
Sdcb chats
References
Metrics cvssV2_0

{'score': 2.6, 'vector': 'AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.7, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P'}

Subscriptions

Sdcb Chats
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-31T20:00:10.019Z

Reserved: 2026-08-31T09:46:30.626Z

Link: CVE-2026-82906

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-31T21:17:54.330

Modified: 2026-08-31T21:17:54.330

Link: CVE-2026-82906

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses